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Homework Help: Working Out Distance

  1. Sep 15, 2008 #1
    the problem is i have an object which has a mass of 5Kg it is on a frictional Surface a force of 15n acts on it which accelerates it to 12ms-1 i dont even know where to start to work out the distance

    i was thinking could you rearrange A= V-U divided by t (sorry it wont let me do the proper equation)

    Into T= (V+U) x A
    to work to work out time so i can put it into the Distance, Speed Time Triangle.
    the answer 144 doesn't seem right am i doing it right or just going totality wrong ?

    Thanks for your help in advance

    Last edited: Sep 15, 2008
  2. jcsd
  3. Sep 15, 2008 #2


    User Avatar
    Homework Helper

    Welcome to PF.

    Here are some equations that may address your interest in kinematics.


    From your force equation you know acceleration is 3m/s
    Your final velocity is 12?

    V2 = 2*a*x
  4. Sep 15, 2008 #3
    Thank you :)
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